Geometric Sequences Review

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What is a geometric sequence?

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A geometric sequence is a sequence of numbers where each term after the first is found by multiplying the previous term by a fixed, non-zero number called the common ratio.

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What is the common ratio in a geometric sequence?

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The common ratio is the factor by which we multiply each term to get the next term in a geometric sequence.

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What is the recursive formula for a geometric sequence?

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What is the explicit formula for a geometric sequence?

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Given the sequence 3, 6, 12, 24, what is the common ratio?

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The common ratio is 2, since each term is multiplied by 2 to get the next term.

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How do you find the nth term of a geometric sequence?

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If the first term of a geometric sequence is 5 and the common ratio is 3, what is the 4th term?

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What is the formula to find the sum of the first n terms of a geometric sequence?

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